CEMEX
<br />Lyons, Colorado Cemeni Plant
<br />Kiln Stack -Coal Fired Only
<br />November 13 and 14, 2002
<br />EPA Method 23: Determination of PCDD/PCDF Emissions from Siatlonary Soumes
<br />Detection Limits Data Reduction
<br />Field Data Run #1 Run #2 Run #3
<br />date 13-Nov-02 14-Nov-02 74-Nov-02
<br />start time 10:07 AM 08:24 AM 72:56 PM
<br />stop time 04:29 PM 12:02 PM 04:36 PM
<br />sample volume (ft3) 133.268 129.058 134.270
<br />sampling time (minutes) 792 192 192
<br />stack temp. (oF) 407 401 406
<br />meter temp. (off 69 46 59
<br />barometric pressure (mbar) 839 841 841
<br />barometric pressure (` Hg) 24.78 24.83 24.83
<br />stack pressure (inches water) -0.10 -0.70 -0.10
<br />moisture (grams) 525.3 523.7 524.5
<br />oxygen (% vd) 11.6 11.8 11.8
<br />carbon dioxide (% vd) 14.0 14.2 14.0
<br />delta H f.3 7,3 1.4
<br />(delta p)^7/2 0.387 0.392 0.397
<br />meter box Y 7.002 1.002 1.002
<br />delta H® 1.78 1.78 1.78
<br />pitot tube constant 0.84 0.84 0.84
<br />nozzle diameter (inches) 0.370 0.370 0.370
<br />stack diameter (inches) 182.0 182.0 182.0
<br />Calculations Run #1 Run #2 Run #3
<br />sample volume {dscf) 110.790 112.418 114.097
<br />moisture volume (scf) 24.726 24.651 24.688
<br />moisture content (%/100) 0,182 0.180 0.178
<br />molecular weight (dry) 30.70 30.74 30.71
<br />molecular weight (actual) 28.39 28.45 28.45
<br />gas velocity (fUsec) 30.9 31.1 31.6
<br />gas flow (acfm) 334,561 337,287 342,150
<br />gas flow (dscfm) 137,766 140,730 142,252
<br />isokinetic 101.3 700.7 107.1
<br />PCDD/PCDF Laboratory Data - oa Run #1 Run #2 Run #3
<br />
<br />Total CI4-Dibenzofurans 520 190 98
<br />Total CI5-Dibenzofurans 450 110 51
<br />Total CI6-Dibenzofurans 310 64 30
<br />Total CI7-Dibenzofurans 150 36 22
<br />CI8-Dibenzofuran 32 76 74
<br />Total C14-Dibenzo-p-dioxins 74 60 33
<br />Total CIS-Dibenzo-p-dioxins 92 19 9.3
<br />Total CI6-Dibenzo-p-dioxins 180 41 20
<br />Total CI7-Dibenxo-pd+oxins 240 53 25
<br />CIB-Dibenzo-p-dioxin 190 60 38
<br />2,3,7,8-CI4-Dibenzofuran (D8225) < 40 < f 0 < 16
<br />2,3,7,8-CI4-Dibenzo-p-dioxin c 5.7 < 2.4 c 3.7
<br />1,2,3,7,8-CI5-Dibenzofuran 31 9.9 6.4
<br />2,3,4,7,8-CI5-Dibenzofuran 48 12 6.7
<br />1,2,3,7,6-CI5-Dibenzo-p-dioxin 14 < 4.4 < 3.2
<br />7,2,3,4,7,8-CI6-Dibenzofuran 67 17 8.6
<br />7,2,3,6,7,8-CI6-Dibenzofuran 47 9.3 4.8
<br />2,3,4,6,7,8-CI6-Dibenzofuran 42 8.4 4.2
<br />1,2,3,7,8,9-CI6-Dibenzofuran 3.9 < 1.5 c 1.9
<br />1,2,3,4,7,8-CI6-Dibenzo-p-dioxin 12 3.7 2.1
<br />1,2,3,6,7,8-C16-Dibenzo-p-dioxin 26 5.9 3.0
<br />1,2,3,7,8,9-CI6-dibenzo-p-dioxin 33 8.6 4,8
<br />1,2,3,4,6,7,8-CI7-Dibenzofuran 110 29 14
<br />1,2,3,4,7,8,9-CI7-Dibenzofuran 18 < 3.7 2.6
<br />1,2,3,4,6,7,8-CI7-Dibenzo-p-dioxin 730 28 14
<br />1,2,3,4,6,7,8,9-CIS-Dibenzofuran 32 16 74
<br />1,2,3,4,6,7,8,9-CIS-dibenzo-p-dioxin 190 60 38
<br />Average
<br />101.0
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